<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
</head>

<body>
  <div id="banner">
    <div class="slide_wrap">
      <div></div>
      <div></div>
      <div></div>
      <div></div>
    </div>
    <ul class="banner_nav">
      <li></li>
      <li></li>
      <li></li>
      <li></li>
    </ul>
    <div class="banner_ctrl">
      <span>&lt;</span>
      <span>&gt;</span>
    </div>
  </div>
  <script>
    var bnnaerSwiper = new Swiper("#banner", {
      // bannerNav: ".banner_nav",
      // bannerCtrl: ".banner_ctrl",
      interval: 2000
    })
  </script>
</body>

</html>